Product Info Vent Valve Technology for super simple service if the need arises without any disassembly of the post Lower friction IFP allows for faster actuation of the post and less force needed AXS™ enabled allowing for customization to an individual rider’s liking via the AXS™ Mobile App Includes battery and charger Requires AXS handlebar controller (sold separately) SRAM Model ID: SP-RVB-AXS-A2